*SUPPORT*
IN: fep dax OUT: YELLOW RED
IN: gazzer OUT: BLUE
IN: dax OUT: RED
IN: kiki gazzer wif OUT: GREEN BLUE GREEN BLUE
IN: kiki dax lug wif OUT: GREEN RED RED GREEN RED RED
IN: fep lug OUT: YELLOW YELLOW
IN: fep OUT: YELLOW
IN: fep dax lug wif OUT: YELLOW RED RED YELLOW RED RED
IN: dax kiki lug OUT: RED GREEN GREEN
IN: gazzer lug wif OUT: BLUE BLUE BLUE BLUE
IN: kiki OUT: GREEN
IN: gazzer lug OUT: BLUE BLUE
IN: dax lug OUT: RED RED
IN: kiki dax lug OUT: GREEN RED RED

*QUERY*
IN: dax dax OUT: RED RED
IN: fep kiki kiki lug OUT: YELLOW GREEN GREEN GREEN
IN: kiki lug OUT: GREEN GREEN
IN: dax lug wif OUT: RED RED RED RED
IN: fep dax lug OUT: YELLOW RED RED
IN: gazzer dax lug OUT: BLUE RED RED
IN: kiki blicket dax OUT: RED GREEN GREEN RED RED RED RED
IN: kiki kiki lug OUT: GREEN GREEN GREEN
IN: fep wif OUT: YELLOW YELLOW
IN: fep lug wif OUT: YELLOW YELLOW YELLOW YELLOW

*GRAMMAR*
dax -> RED 
 fep -> YELLOW 
 kiki -> GREEN 
 gazzer -> BLUE 
 u1 lug -> [u1] [u1] 
 x1 blicket x2 -> [x2] [x1] [x1] [x2] [x2] [x2] [x2] 
 x1 wif -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 